<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>案例3</title>
		<link rel="stylesheet" type="text/css" href="./css/test3.css"/>
	</head>
	<body>
		<div id="div1">
			<div id="div2">
				<span>用户登录</span>
			</div>
			<div id="div3">
				<div>
					<label for="username">用户名:</label>
					<input type="text" id="username">
				</div>
				<div>
					<label for="psw">&nbsp;&nbsp;&nbsp;&nbsp;密码:</label>
					<input type="password" id="password">
				</div>
				<button type="button">登录</button>
			</div>
		</div>
	</body>
</html>
<script src="../js/jquery-3.5.1.min.js" type="text/javascript" charset="utf-8"></script>
<script src="./js/test3.js" type="text/javascript" charset="utf-8"></script>